Feature●Universal size fit many of the top brands of mechanical pipettes in the market●Thin wall crown technology decreases pipettor wear●Applicable for RNA experiments without DEPC treatment●No detectable CN enzymes, RNA enzymes, proteins, DNADescription LabGenius Filtered Pipette Tips are available pre-sterilized in racks. The universal design fits many of the top popular brands of pipettors in the market such as Eppendorf, Gilson, Costar, Accumax, and the Daigger Scientific Pipette Plus.